#include <iostream>
using namespace std;

class Date
{

public:

	Date()
		:_year(2023)
		,_month(10)
		,_day(28)
	{}

	Date* operator&()
	{
		return nullptr;
	}

	const Date* operator&() const
	{
		return this;
	}

private:
	int _year;
	int _month;
	int _day;
};

int main()
{

	Date a;
	cout << &a << endl;

	const Date b;
	cout << &b << endl;

	return 0;
}